In the last Locke flashback episode, we saw a couple of thugs come to find out where their money was. Locke’s father was long gone by the end of the episode.
So, we know that Locke ended up in a wheelchair, but how did he end up there? Did the guys that were looking for their money find out that Locke was involved in recovering it? That would be the obvious thing, which is exactly why I don’t think that’s what is going to happen.
There’s been a strong theme throughout Lost that the “Lost-aways